Quicksilver 8053432 Starter Mounting Bolt 3/8-16 x 4-3/8 Inch

The Quicksilver 8053432 is a genuine OEM starter motor mounting bolt designed for MerCruiser marine engines with General Motors powerplants. This high-quality fastener ensures secure and reliable starter motor installation on a wide range of marine applications.

Key Specifications:

• Thread size: 3/8-16
• Length: 4-3/8 inches (4.33 inches)
• Serrated shank design for secure, anti-rotation fit
• Fits both staggered and straight bolt pattern starters
• Genuine Quicksilver OEM replacement part

Applications:

• MerCruiser 4-cylinder, V6 (4.3L), and V8 engines
• Small block GM 305, 350, 377, and 383 marine engines
• Big block GM 454 and 502 marine engines
• Compatible with most General Motors-based MerCruiser starter motors

This bolt features a serrated shank that provides a tight, secure fit and prevents loosening from engine vibration. The OEM-quality construction ensures proper torque retention and long-lasting performance in demanding marine environments.

Cross-Reference Numbers: 10-8053432, 10-805343-2, 18-8402, 9-15990